🗑️➡️⬇️🌱

#biodegradable waste #waste decomposition #composting bin #return to nature #sustainable waste #disappears #eco-friendly

🦠💩💧分解

#waste decomposition #bacterial action #sewage treatment #anaerobic digestion #effluent

💩🌱🦠➡️💨

#anaerobic digestion #microbial gas #organic breakdown #waste decomposition #methane production #fermentation